Finding the Fourth Proportional to 12,434,680.89, 18,631,400.94 and 7,562,249.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434,680.89 : 18,631,400.94 = 7,562,249.61 : x
2. Step 2: Convert to fraction form
   12,434,680.89/18,631,400.94 = 7,562,249.61/x
3. Step 3: Cross multiply
   12,434,680.89x = 18,631,400.94 × 7,562,249.61
4. Step 4: Simplify right side
   12,434,680.89x = 140,895,304,492,268.66
5. Step 5: Solve for x
   x = 140,895,304,492,268.66/12,434,680.89
6. Step 6: Final answer
   x = 11,330,833.96